On January 18, Contemporary Amperex Energy Service Technology Ltd. (CAES), a wholly-owned subsidiary of Contemporary Amperex Technology Co. Ltd. (CATL), rolled out its battery swap solution EVOGO featuring modular battery swapping at its first online launch event. Comprised of battery blocks, fast battery swap stations and an app, EVOGO will be first launched in ten cities, said Chen Weifeng, general manager of CAES.